Cheapest return flights from London to Hanoi in January from $656

Best time to book flights for London (LHR) to Hanoi (HAN) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Hanoi (HAN) in January 2026 (see full year).

Return flights

05 Jan - 19 Jan Air China
31 Jan - 14 Feb Air China
03 Jan - 21 Jan Air China
31 Jan - 27 Feb Air China
26 Jan - 06 Feb Air China
07 Jan - 04 Feb Air China
07 Jan - 05 Feb Air China
12 Jan - 23 Jan Cathay Pacific
21 Jan - 28 Jan Cathay Pacific
11 Jan - 01 Feb Cathay Pacific
19 Jan - 30 Jan Cathay Pacific
14 Jan - 30 Jan Cathay Pacific
11 Jan - 31 Jan Cathay Pacific
20 Jan - 31 Jan Cathay Pacific
16 Jan - 23 Jan Cathay Pacific
11 Jan - 02 Feb Cathay Pacific
09 Jan - 18 Jan Cathay Pacific
31 Jan - 21 Feb Singapore Airlines
07 Jan - 15 Feb China Airlines
17 Jan - 15 Feb China Airlines

Also check the deals for one-way flights from London to Hanoi in January.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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